bug#25436: 25.1; sendmail does not add a Date: header in FCC

[Francesco Potortì]

Date: 13 Jan 2017 19:38:41 +0100
>Perhaps the date in the mbox From line was assumed to be good enough for
>the alternative case.

By the way, the problem would be much less important if
rmail-sort-by-date resorted to the date from the From header when a
Date: header is not found, rather than assuming a date of -Inf.